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US 5,783,303 AGranted
Curable water-based coating compositions and cured products thereof
AssigneeMinnesota Mining and Manufacturing Company
InventorAlexander C. Tsuei
Life of this patent
Estimating the term…
Abstract
A low VOC curable water-based coating composition is provided. The composition includes a urethane/acrylic copolymer having a Tg of greater than about 50.degree. C., a polyoxyethylene aryl ether plasticizer, an alkaline-stable crosslinker, and water, wherein the curable water-based coating composition includes less than about 5 wt-% volatile organic compounds, based on the total weight of the composition.
Claims23
A curable water-based coating composition comprising:
- (a) a urethane/acrylic copolymer having a Tg of greater than about 50.degree. C.;
- (b) a polyoxyethylene aryl ether plasticizer;
- (c) an alkaline-stable crosslinker;
- and
- (d) water;
- wherein the curable water-based coating composition includes less than about 5 wt-% volatile organic compounds, based on the total weight of the composition.
3 more elements
A curable water-based coating composition comprising:
- (a) a urethane/acrylic copolymer having a Tg of greater than about 50.degree. C.;
- (b) a polyoxyethylene aryl ether plasticizer;
- (c) a polyfunctional aziridine crosslinker;
- (d) an associative thickener;
- (e) a surfactant;
- and
- (f) water;
- wherein the curable water-based coating composition includes less than about 5 wt-% volatile organic compounds, based on the total weight of the composition.
5 more elements
Dependencies are inferred from the claim text.